CAS 26412-87-3

Sulfur trioxide-pyridine

Description:

Sulfur trioxide-pyridine, with the CAS number 26412-87-3, is a chemical compound formed from the reaction of sulfur trioxide (SO3) with pyridine, a heterocyclic organic compound. This substance typically appears as a yellowish to brown liquid and is known for its strong acidic properties due to the presence of sulfur trioxide, which is a potent sulfonating agent. The compound is often used in organic synthesis, particularly for the sulfonation of various organic substrates, enhancing their reactivity and solubility. It is important to handle sulfur trioxide-pyridine with care, as it can be corrosive and may pose health risks upon exposure. The compound is also hygroscopic, meaning it can absorb moisture from the air, which can affect its stability and reactivity. In laboratory settings, it is typically stored in tightly sealed containers to prevent degradation and is used under controlled conditions to mitigate any hazardous effects. Overall, sulfur trioxide-pyridine is a valuable reagent in synthetic organic chemistry, particularly in the preparation of sulfonic acids and related compounds.

Formula: C₅H₅N·O₃S

InChI: InChI=1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;

InChI key: InChIKey=UDYFLDICVHJSOY-UHFFFAOYSA-N

SMILES: S(=O)(=O)=O.C=1C=CN=CC1

Synonyms:

• NSC 75831
• Oxosulfane Dioxide-Pyridine (1:1)
• Pyridine Sulfure Trixoxide Complex
• Pyridine Sulfurtrioxide
• Pyridine Sulfurtrioxide Complex
• Pyridine sulfur trioxide
• Pyridine, compd. with SO₃
• Pyridine, compd. with sulfur trioxide (1:1)
• Pyridine-sulfur trioxide (1:1)
• Pyridine-sulfur trioxide complex
• Pyridine-sulfur trioxide complex (1:1)
• Pyridine-sulphur trioxide complex
• Sulfur trioxide Hyridine complex
• Sulfur trioxide, compd. with pyridine (1:1)
• Sulfur trioxide-pyridine
• Sulphur trioxide-pyridine complex

Pyridine - Sulfur Trioxide Complex

CAS: 26412-87-3

Formula: C₅H₅N·SO₃

Purity: >95.0%(T)

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 159.16

Ref: 3B-P0998

Sulfur trioxide-pyridine complex, 98%, active SO3 ca 48-50%

CAS: 26412-87-3

Sulfur trioxide-pyridine complex is used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with dimethyl sulfoxide. It is also used as a source of sulfur trioxide especially in the preparation of sulfate esters. Further, it is used as an activating electrophi

Formula: C₅H₅NO₃S

Purity: 98%

Color and Shape: White to cream to pale brown or pale yellow, Powder

Molecular weight: 159.16

Ref: 02-A12202

Pyridine, compd. with sulfur trioxide (1:1)

CAS: 26412-87-3

Formula: C₅H₅NO₃S

Purity: 98%

Color and Shape: Solid

Molecular weight: 159.1631

Ref: IN-DA002T35

Sulfur trioxide pyridine complex

CAS: 26412-87-3

Formula: C₅H₅NO₃S

Purity: ≥ 98.0%

Color and Shape: White to light-yellow powder

Molecular weight: 159.16

Ref: 7W-GK0214

Sulphur trioxide pyridine complex

CAS: 26412-87-3

Sulphur trioxide pyridine complex

Formula: ·O₃S·C₅H₅N

Purity: ≥95%

Color and Shape: white to off-white powder

Molecular weight: 159.16g/mol

Ref: 54-OR24145

Pyridine sulfur trioxide complex

CAS: 26412-87-3

Formula: C₅H₅NO₃S

Purity: 97.0%

Color and Shape: Solid, Chunks or Crystalline Powder

Molecular weight: 159.16

Ref: 10-F068549

Pyridine-Sulfur Trioxide Complex

Controlled Product

CAS: 26412-87-3

Applications Pyridine-Sulfur Trioxide Complex is used in the sulfation of squid ink polysaccharides (SIPs) as a potential candidate compound for the prevention of tumor metastasis. Pyridine-Sulfur Trioxide Complex is also used in the preparation and anticoagulation test of sulfated silk fibroin.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Chen, S. et al.: Carb. Polymers, 81, 560 (2010); Li, S. et al.: Canya Kexue, 36, 553 (2010);

Formula: C₅H₅N·SO₃

Color and Shape: Neat

Molecular weight: 159.16

Ref: TR-P991560

Pyridine-sulfur trioxide complex

Controlled Product

CAS: 26412-87-3

Pyridine-sulfur trioxide complex is a sodium salt of sulfuric acid and pyridine. It is an intramolecular hydrogen acceptor, which means that it can act as a hydrogen donor to other molecules. Pyridine-sulfur trioxide complex has been shown to be effective against HIV infection in vitro. The biological properties of this drug are due to its ability to inhibit the proliferation of cells. Pyridine-sulfur trioxide complex also has antiproliferation activity against a variety of cancers, including prostate, breast, lung, ovarian, and pancreatic cancers. Pyridine-sulfur trioxide complex inhibits fatty acid synthase enzymes and is used as an analytical method for measuring cholesterol levels in the blood.

Formula: C₅H₅N·SO₃

Purity: Min. 95%

Color and Shape: Beige Powder

Molecular weight: 159.16 g/mol

Ref: 3D-FP27305